The Treatment Site Bronchus is identified by number "1" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to DB21
Stereotactic Particulate Radiosurgery of Bronchus
Stereotactic Other Photon Radiosurgery of Bronchus
Stereotactic Gamma Beam Radiosurgery of Bronchus